Finding the Fourth Proportional to 5,631,624.33, 7,771,805.49 and 3,184,182.81
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Solution
The fourth proportional to 5,631,624.33, 7,771,805.49 and 3,184,182.81 is: 4,394,264.96
Step by Step Solution
- Step 1: Write the proportion equation
5,631,624.33 : 7,771,805.49 = 3,184,182.81 : x - Step 2: Convert to fraction form
5,631,624.33/7,771,805.49 = 3,184,182.81/x - Step 3: Cross multiply
5,631,624.33x = 7,771,805.49 × 3,184,182.81 - Step 4: Simplify right side
5,631,624.33x = 24,746,849,443,921.63 - Step 5: Solve for x
x = 24,746,849,443,921.63/5,631,624.33 - Step 6: Final answer
x = 4,394,264.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.